EP 3887040 A1 20211006 - METHOD FOR PRODUCING RESIN USEFUL IN SEMICONDUCTOR MANUFACTURING
Title (en)
METHOD FOR PRODUCING RESIN USEFUL IN SEMICONDUCTOR MANUFACTURING
Title (de)
VERFAHREN ZUR HERSTELLUNG VON HARZ ZUR HALBLEITERHERSTELLUNG
Title (fr)
PROCÉDÉ DE PRODUCTION DE RÉSINE UTILE DANS LA FABRICATION DE SEMI-CONDUCTEURS
Publication
Application
Priority
- US 201862771623 P 20181127
- US 2019062112 W 20191119
Abstract (en)
[origin: WO2020112428A1] A method for producing an ion exchange resin. The method comprises steps of: (a) providing a basic ion exchange resin in the acidic form which comprises amino polyol groups and has a volume % swell from 15 to 30% upon conversion from the basic form to the acidic form, and (b) washing the resin with water or aqueous acid.
IPC 8 full level
B01J 45/00 (2006.01); B01J 41/07 (2017.01); B01J 41/13 (2017.01); B01J 49/50 (2017.01); B01J 49/57 (2017.01); B01J 49/60 (2017.01)
CPC (source: EP KR US)
B01J 41/07 (2016.12 - EP KR); B01J 41/13 (2016.12 - EP KR); B01J 45/00 (2013.01 - EP KR US); B01J 47/02 (2013.01 - US); B01J 49/50 (2016.12 - EP KR US); B01J 49/57 (2016.12 - EP KR); B01J 49/60 (2016.12 - EP KR US); C02F 1/42 (2013.01 - US); C02F 2101/108 (2013.01 - US); C02F 2103/04 (2013.01 - US); C02F 2103/346 (2013.01 - US)
Citation (search report)
See references of WO 2020112428A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2020112428 A1 20200604; CN 113272058 A 20210817; EP 3887040 A1 20211006; JP 2022507953 A 20220118; KR 20210096159 A 20210804; US 2022001372 A1 20220106
DOCDB simple family (application)
US 2019062112 W 20191119; CN 201980085824 A 20191119; EP 19832475 A 20191119; JP 2021529138 A 20191119; KR 20217019383 A 20191119; US 201917293191 A 20191119